The use of sensitivity analysis is routine in some fields of empirical econometrics, although econometric theorists have generally taken a critical attitude towards it. This paper presents a framework in which arguments for and against such analysis can be evaluated. It appears that sensitivity...

This paper treats the theory of identification presented in Haavelmo's classic work, <italic>The Probability Approach in Econometrics</italic>. This was the first identification theory for stochastic models to be developed in econometrics. The paper presents a detailed commentary on Haavelmo's analysis. It also...